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Research Methods - Coggle Diagram
Research Methods
Lab Experiment
Takes place in a highly controlled environment where the IV is manipulated to affect the DV
Weaknesses
Lacks ecological validity
As it is done in a fake environment with fake tasks
Therefore results cannot be generalised beyond the setting of the study
Encourages demand characteristics
Participants change their natural behaviour based on clues given off by the researcher
Therefore accuracy of findings is affected
Strengths
High control over extraneous variables
A cause and effect relationship between IV and DV can be established
Therefore increases internal validity
High reliability
As there is high control over extraneous variables
Therefore experiment can be repeated and findings can be checked for consistency
Field experiment
Takes place in a real environment where the IV is manipulated to affect the DV
Weaknesses
Strengths
Natural experiment